<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>基于栈的计算器</title>
</head>
<body>
<h2>请按照指导进行计算：</h2>

<form action="getResult" method="post">
    {% csrf_token %}
    <input type="text" name="iWord" placeholder="请输入表达式："/><button type="submit">查询结果</button>
</form>
<p>{{ original }}</p>
<p>{{ rlt }}</p>
</body>
</html>